TES-1339 Light Meter Pro.


  • Dual Display, 4-digit LCD reading.
  • Spectral Sensitivity close to CIE photopic Curve.
  • Measuring Levels Ranging 0.01 to 999900 Lux,0.01 to 99990 fc, Autoranging 5 step.
  • Accurate and Instant response.
  • Integral illuminance measurement.
  • Luminous intensity measurement.
  • Data Hold function.
  • Data memory and read function.
  • Reference value setting for relative or percentage deviation measurement.
  • Ripple measurement for STRAY + LIGHT function.
  • Time-hold function.
  • Point - average function.
  • Comparator function.
  • Auto power off function.
  • CNS 5119 Class Ⅱ .

Display Dual display 4 digit LCD read out.
Measuring Range 99.99, 999.9, 9999, 99990, 999900 Lux
9.999, 99.99, 999.9, 9999, 99990 fc
Auto rangeing (5 step) (1 fc = 10.76 Lux)
Overrange Display OL is displayed
Resolution 0.01 Lux, 0.001 fc
Accuracy ± 3% rdg ± 5dgt (Calibrated to standard
incandescent lamp, 2856° Κ )
CIE photopic f ' 1 ≦ 6 %
Temperature Characteristics

± 0.1%/ ℃

Measuring Rate Approximately 5 time/sec
Photosensor Silicon photodiodes
Data Memory Capacity 50 sets. (Direct reading from LCD display)
Operating / Storage Conditions 0 ℃ ~ 50 ℃ <80% RH
-10 ℃ ~ 60 ℃ <70%RH
Power Source 6 pcs AAA size Battery

Battery Life (typical)

100 hours
Photosensor Lead Length 150 cm (approx.)
Photosensor Dimensions 100(L) × 60(W) × 27(H)mm
Dimension 150(L) × 72(W) × 33(H)mm
Weight 250g
Accessories Carrying case, Instruction manual, Battery

Water Analysis